Re: need test run on Mac

[Lukas Reichlin]

On 27.02.2014, at 18:58, "John W. Eaton" <address@hidden> wrote:

> On 02/27/2014 01:56 AM, c. wrote:
> 
>> can you suggest a simple example to test these assumptions?
> 
> Compile the two attached files with
> 
>  mkoctfile foo.cc bar.f
> 
> and then execute foo in Octave.  You should see something like this:
> 
>   ** On entry to barf   parameter number -7 had an illegal value
>  error: foo: exception encountered in Fortran subroutine barf_
> 
> The first error is from XERBLA.  The second is from Octave's F77_XFCN macro 
> when it catches the exception.
> 
> Is the problem that we are not properly overriding the default xerbla 
> function that is part of whatever BLAS library you are using?
> 
> As I understand it, the BLAS designers intended users to be able to replace 
> XERBLA with their own error handling function.  If the BLAS package on your 
> system does not allow XERBLA to be replaced, then I think we need to try to 
> fix that problem.
> 
> Here's a related bug report:
> 
>  https://savannah.gnu.org/bugs/?func=detailitem&item_id=38575
> 
> jwe
> 
> 
> <foo.cc><bar.f>


I'm using Netlib's reference BLAS implementation:

octave:1> foo
 ** On entry to barf   parameter number -7 had an illegal value
error: foo: exception encountered in Fortran subroutine barf_
octave:1>